IaaS
Infrastructure as a Service ”” cloud-provided virtualized computing infrastructure over the internet.
Also: Infrastructure as a Service
Definition
Infrastructure as a Service (IaaS) is a cloud computing model that provides virtualized computing resources ”” servers, storage, networking, and virtualization ”” over the internet on a pay-as-you-go basis. With IaaS, users manage the operating system, middleware, runtime, data, and applications, while the cloud provider manages the underlying physical infrastructure. IaaS offers maximum flexibility and control. Examples include AWS EC2, Azure Virtual Machines, and Google Compute Engine.
Example
“A company rents 100 virtual machines on AWS EC2 during peak season, scaling down to 10 off-season, only paying for what it uses.”
Usage Examples
- 1
“The team applied iaas best practices to improve their cloud computing outcomes significantly.”
- 2
“Understanding iaas is essential for anyone building a career in IT & Technology.”
When & How to Use
Use 'IaaS' when working in Cloud Computing contexts where infrastructure as a service (iaas) is a cloud computing model that provides virtualized computing resources ”” servers, storage, networking, and virtualization ”” over the internet on a pay-as-you-go basis.
- ▸Applying iaas principles during a cloud computing project or initiative
- ▸Explaining iaas to a junior team member or stakeholder unfamiliar with IT & Technology
- ▸Evaluating options or proposals using iaas as a decision-making criterion
Etymology & Origin
The term 'IaaS' derives from professional usage and entered IT & Technology professional usage as the field formalised in the 20th century.
History & Evolution
The concept of iaas has evolved alongside IT & Technology. Early practitioners relied on informal methods; structured approaches emerged with the professionalisation of cloud computing in the mid-20th century. Today, iaas is a standard part of IT & Technology practice globally.
Synonyms
- cloud infrastructure
- virtualized infrastructure
- infrastructure on demand
Antonyms / Opposites
- on-premises infrastructure
- bare metal
Images
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Related Terms
- paas
- saas
- virtualization
- aws